linux-kernel - [PATCH v6 39/45] drm/amd: Use `amdgpu_ucode

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Date:   Wed, 4 Jan 2023 21:43:13 -0600
From:   Mario Limonciello <mario.limonciello@....com>
To:     Alex Deucher <alexander.deucher@....com>,
        <linux-kernel@...r.kernel.org>
CC:     Javier Martinez Canillas <javierm@...hat.com>,
        Carlos Soriano Sanchez <csoriano@...hat.com>,
        <amd-gfx@...ts.freedesktop.org>, <dri-devel@...ts.freedesktop.org>,
        David Airlie <airlied@...il.com>,
        "Daniel Vetter" <daniel@...ll.ch>, <christian.koenig@....com>,
        Lazar Lijo <Lijo.Lazar@....com>,
        Mario Limonciello <mario.limonciello@....com>,
        "Pan, Xinhui" <Xinhui.Pan@....com>
Subject: [PATCH v6 39/45] drm/amd: Use `amdgpu_ucode_*` helpers for VCE

The `amdgpu_ucode_request` helper will ensure that the return code for
missing firmware is -ENODEV so that early_init can fail.

The `amdgpu_ucode_release` helper is for symmetry on unloading.

Reviewed-by: Alex Deucher <alexander.deucher@....com>
Signed-off-by: Mario Limonciello <mario.limonciello@....com>
---
v5->v6:
 * Adjust for amdgpu_ucode_release argument change
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c | 14 +++-----------
 1 file changed, 3 insertions(+), 11 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
index 02cb3a12dd76..ea78b7513182 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
@@ -158,19 +158,11 @@ int amdgpu_vce_sw_init(struct amdgpu_device *adev, unsigned long size)
 		return -EINVAL;
 	}
 
-	r = request_firmware(&adev->vce.fw, fw_name, adev->dev);
-	if (r) {
-		dev_err(adev->dev, "amdgpu_vce: Can't load firmware \"%s\"\n",
-			fw_name);
-		return r;
-	}
-
-	r = amdgpu_ucode_validate(adev->vce.fw);
+	r = amdgpu_ucode_request(adev, &adev->vce.fw, fw_name);
 	if (r) {
 		dev_err(adev->dev, "amdgpu_vce: Can't validate firmware \"%s\"\n",
 			fw_name);
-		release_firmware(adev->vce.fw);
-		adev->vce.fw = NULL;
+		amdgpu_ucode_release(&adev->vce.fw);
 		return r;
 	}
 
@@ -226,7 +218,7 @@ int amdgpu_vce_sw_fini(struct amdgpu_device *adev)
 	for (i = 0; i < adev->vce.num_rings; i++)
 		amdgpu_ring_fini(&adev->vce.ring[i]);
 
-	release_firmware(adev->vce.fw);
+	amdgpu_ucode_release(&adev->vce.fw);
 	mutex_destroy(&adev->vce.idle_mutex);
 
 	return 0;
-- 
2.34.1